original |
Namurian A |
Westphalian A |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland. Part 2 |
1976 |
original |
Namurian A |
Westphalian A |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland. Part 2 |
1976 |
original |
Namurian A |
Westphalian A |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland. Part 2 |
1976 |
original |
Westphalian A |
Namurian A |
Poland |
Karczewska,J. Megaspores of the Turma Zonales from the Carboniferous of Poland. Part 2 |
1976 |
original |
Namurian A |
Westphalian A |
Poland |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
details |
Early Triassic |
|
China(Xinjiang Uygur) |
Maheshwari,H.K. Permian - Triassic Boundary; A tyro's view. |
1997 |